The Ct-Aps.21S Is A Single-Function Electronic Time Relay From The Ct-S Timer Range. It Provides An Off-Delay (Delay On Break) Function With 10 Time Ranges From 0.05 S To 300 H. This Time Relay Operates With A Rated Control Supply Voltage Of 24 - 240 V Ac / Dc And Has A 2 C/O (Spdt) Output With Contacts Rated At 250 V / 4 A. A Control Input Works With Voltage-Related (Non-Floating) Triggering. A Sealable Transparent Cover For Protection Against Unauthorized Changes Is Available As Accessory. The Device Offers Screw Connection Technology With Double-Chamber Cage Connection Terminals.

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